///////////////////////////////////////////////////////////////
//  Copyright Christopher Kormanyos 2002 - 2011.
//  Copyright 2011 John Maddock. Distributed under the Boost
//  Software License, Version 1.0. (See accompanying file
//  LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt
//
// This work is based on an earlier work:
// "Algorithm 910: A Portable C++ Multiple-Precision System for Special-Function Calculations",
// in ACM TOMS, {VOL 37, ISSUE 4, (February 2011)} (C) ACM, 2011. http://doi.acm.org/10.1145/1916461.1916469

#include "setup.hpp"
#define BOOST_TEST_MAIN
#include <boost/test/unit_test.hpp>
#include <boost/test/tools/floating_point_comparison.hpp>
#include <boost/math/special_functions/math_fwd.hpp>

#include "table_type.hpp"

#include "libs/math/test/powm1_sqrtp1m1_test.hpp"

//
// DESCRIPTION:
// ~~~~~~~~~~~~
//
// This file tests the functions log1p and expm1.  The accuracy tests
// use values generated with NTL::RR at 1000-bit precision
// and our generic versions of these functions.
//
// Note that when this file is first run on a new platform many of
// these tests will fail: the default accuracy is 1 epsilon which
// is too tight for most platforms.  In this situation you will
// need to cast a human eye over the error rates reported and make
// a judgement as to whether they are acceptable.  Either way please
// report the results to the Boost mailing list.  Acceptable rates of
// error are marked up below as a series of regular expressions that
// identify the compiler/stdlib/platform/data-type/test-data/test-function
// along with the maximum expected peek and RMS mean errors for that
// test.
//

void expected_results() {
    //
    // Define the max and mean errors expected for
    // various compilers and platforms.
    //

    //
    // Catch all cases come last:
    //
    add_expected_result(".*",                            // compiler
                        ".*",                            // stdlib
                        ".*",                            // platform
                        ".*mpfr_float_backend<18>.*",    // test type(s)
                        ".*",                            // test data group
                        ".*",                            // test function
                        300,                             // Max Peek error
                        50);                             // Max mean error
    add_expected_result(".*",                            // compiler
                        ".*",                            // stdlib
                        ".*",                            // platform
                        ".*",                            // test type(s)
                        ".*",                            // test data group
                        ".*",                            // test function
                        15,                              // Max Peek error
                        5);                              // Max mean error

    //
    // Finish off by printing out the compiler/stdlib/platform names,
    // we do this to make it easier to mark up expected error rates.
    //
    std::cout << "Tests run with " << BOOST_COMPILER << ", " << BOOST_STDLIB << ", " << BOOST_PLATFORM << std::endl;
}

template<class T>
void test(T t, const char* p) {
    test_powm1_sqrtp1m1(t, p);
}

BOOST_AUTO_TEST_CASE(test_main) {
    using namespace nil::crypto3::multiprecision;
    expected_results();
    //
    // We test two different precisions:
    // 18 decimal digits triggers Boost.Math's 64-bit long double support.
    // 30 decimal digits triggers Boost.Math's 128-bit long double support.
    // 35 decimal digits triggers true arbitrary precision support.
    //
    ALL_SMALL_TESTS
}
